ENGINEERING MATERIALS

UNIVERSITY OF TRANSPORT
IN HO CHI MINH CITY
  

Narration about
ENGINEERING MATERIALS

MEMBERS: ĐẶNG HÀ TRANG
TRỊNH DUY TRƯỜNG
NGUYỄN VĂN DŨNG
TRẦN SƠN VŨ
Tuning-in
List the materials you know which are you in engineering. Combine your list with the others in your group and classify the materials as metals, thermoplastics,etc…
Reading scanning tables
In engineering it is important to practise reading tables, charts, diagrams, and graphs because so nuch information is presented in this ways. We will start in this unit with a table.
Scanning is the best strategy for finding information in a table. With scanning , you know befor you rich that sort of information you are searching for. To word or words you want. To scan quickly, you must learn to ignore any information wich will not help you with your task.
Vocabulary:
Soft : mềm, dẻo
Ductile : dễ kéo sợi
Malleable
Tough
Scratch- resistant
Conductive and malleable
Durable and hard
Stiff and brittle
Ductile and corrosion - resistant
Heat – resistant and chemical - resistant
 

Scan the table which follows to find a material which is:
1-Soft
2-Ductile
3-Malleable
4-Tough
5-Scratch- resistant
6-Conductive and malleable
7-Durable and hard
8-Stiff and brittle
9-Ductile and corrosion - resistant
10-Heat – resistant and chemical - resistant
Game:
We will know the properties and uses. Guess the meterials?
1- It has the properties very malleable, highly conductive. And make electric wiring, tubing.
Copper
2- It has the properties light, soft,ductile and make aircraft, foil, cooking equitment.
Aluminium
3- It has the properties hardest of the carbon steels. And make cutting tools.
High carbon steel


4- It has the properties stiff, hard, brittle and make moulding, boat and car bodies.
Polyester resin
5- It has the properties high impact strength and toughness and make safety helmets, car components.
ABS
Scan the table to find:
1- A metal used to make aircraft
2- Plastics used for adhesives
3- Steel which can be hardened
4- An alloy suitable for castings
5- A plastic with very low friction
6- A meterial suitable for safety helmets
7- A metal suitable for a salt-water environment
8- A metal for general construction use but whith should be protected from corrosion
9- A plastic for car bodies
10- The metal used for the conductors in printed circuit boards
Language study Making definitions
Study these facts from the table about aluminium:
1 Aluminium is a light metal.
2 Aluminium is used to make aircraft.
We can link these facts to make a definition of aluminium:
1+2 Aluminium is s light metal which is used to make aircraft.
Task 4: Use the table on the previous page to make definitions of each of the materials in column A. choose the correct informationin columns B and C to describe the materials in column A.